ARTICLES

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PARTURITION AND LACTATION

Delivery of foetus is known as parturition. It is triggers with the release of oxytocin. Production of milk from mammary gland is known as lactation. Read More >>>

FERTILIZATION AND IMPLANTATION

Fertilization is the process of fusion of sperm and ova. Sex determination is the method for the identification of sex. Pregnancy and embryonic development are the process of reproduction. Read More >>>

GAMETOGENESIS

Spermatogenesis is the process of formation of sperm from the germ cell in the testes. Oogenesis is the formation of mature female gamete or ovum. Reproductive cycle of female primates is called menstrual cycle. Read More >>>

MALE AND FEMALE REPRODUCTIVE SYSTEM

Humans reproduce sexually by the union of male and female sex cells.Reproductive system of male and female are different, they are structured to function together to achieve internal fertilization. Read More >>>

POPULATION AND ADAPTATION

Population is a group of individual living in a well defined geographical area, share or compete for similar resources or potentially interbreed. size of population changes according to some factors. Adaptation is any attribute of an organism that enable the organisms to survive and reproduce in its habitat. Read More >>>

ORGANISMS AND ENVIRONMENT

Organism is highly influenced by the environment. There are two factors which characterize the habitat of an organism; abiotic and biotic components. Read More >>>

REGULATION OF GENE EXPRESSION

Expression of genes can be regulated by lac operon model which was proposed by Jacob and Monad. The regulation of lac operon by repressor is known as negative regulation. Read More >>>

PACKAGING OF DNA

DNA is tightly packed in the nucleus of every cell. DNA wraps around special proteins called histones, which form loops of DNA called nucleosomes. Read More >>>

SEARCH OF GENETIC MATERIAL

Genetic material was searched by the help of following experiments. Frederick Griffith done an experiment on streptococcus pneumoniae to recovered genetic material. Avery, Mccarty and Macleod identify the biochemical nature of genetic material. Read More >>>

POST FERTILIZATION EVENTS

Post fertilization is a series of events that take place after fertilization to develop a seed from an ovule and a fruit from an ovary. Read More >>>

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